On Thursday 06 January 2005 12:15 pm, Robert Olsson wrote:
> Jeremy M. Guthrie writes:
> > I still don't see the rt_cache_stat file even under 2.4.28 stock. See
> > below.
> >
> > ls -la /proc/net/stat/
> > total 0
> > -r--r--r-- 1 root root 0 Jan 6 09:22 rt_cache
>
> rtstat is replaced by lnstat which is in iproute2 package:
> http://developer.osdl.org/dev/iproute2/download/
>
> (Old version
> ftp://robur.slu.se/pub/Linux/net-development/rt_cache_stat/rtstat.c)
Please see the attachment.
> > cat /proc/net/softnet_stat
> > 96deb140 0032844e 00012bbb 00000fd8 00000000 00000000 00000000 00000000
> > 00000dd4
> > 00013dda 00000000 00000000 00000000 00000000 00000000 00000000 00000000
> > 0000041f
>
> You only use CPU0 for packet processing. Also it seems you use the
> non-NAPI version of e1000.
The E1000 driver is the stock driver in 2.4.28.
>
> > cat /proc/interrupts
> > CPU0 CPU1
> > 0: 821852 5664906 IO-APIC-edge timer
> > 1: 484 1247 IO-APIC-edge keyboard
> > 8: 0 2 IO-APIC-edge rtc
> > 14: 5 16 IO-APIC-edge ide0
> > 18: 1928608529 1374 IO-APIC-level eth3
> > 20: 1 226113098 IO-APIC-level eth2
> > 27: 7950 34312 IO-APIC-level eth0
>
> Traffic is flowing from eth3->eth2 Why all the interrupts on eth2/CPU1?
> Is traffic most unidirectional?
eth2 is TX only. We don't receive anything on it. This system should only
ever RX on eth3 and TX on eth2 as part of its function. Eth0 is the
management interface on the host.
--
--------------------------------------------------
Jeremy M. Guthrie jeremy.guthrie@xxxxxxxxxx
Senior Network Engineer Phone: 608-298-1061
Berbee Fax: 608-288-3007
5520 Research Park Drive NOC: 608-298-1102
Madison, WI 53711
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